Provides for a phased decrease of excise taxes and sales taxes and petroleum business taxes on diesel motor fuel and motor fuel when the average price of motor fuel in the state exceeds $2.25 per gallon; authorizes cities having a population of one million or more and counties to adopt local laws limiting taxes on diesel motor fuel and motor fuel.

This bill aims to gradually reduce taxes on diesel and motor fuel when their average price exceeds $2.25 per gallon. Additionally, it allows large cities and counties to create their own laws to limit taxes on these fuels, potentially lowering costs for consumers and businesses.

Supporters of the bill argue that it will provide much-needed relief to consumers and businesses facing high fuel prices. By reducing taxes, it could stimulate economic activity and make transportation more affordable, especially in urban areas with heavy fuel consumption.

Critics may argue that reducing fuel taxes could lead to decreased revenue for essential services funded by these taxes. They might also express concerns that the bill could undermine efforts to promote cleaner energy alternatives by continuing reliance on fossil fuels.